ArticleAuthors: Nguyễn Thị Hoài, Hà (2015)
Quang Ninh is a north-east province with about 250 km coast line, and approximately 2000 islands in a wide range of sizes. This provides a large water surface area, tidal flats and promontories, where many valuable and rare marine species habit. One of them is Geo-duck (Tuhai). Geo-duck is a bivalve species, commonly in Halong Bay. At present, the species is a special food with high nutrient. Fisher exploitation is usually from nutural resource. As the result, Geo-duck clam resource is decreasing seriously. Therefore, researches on biological characteristics of Geo-duck for sustainable development and conservation of this resource is demanded. For people of North Vietnam, Geo-duck cul...